{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Dosage", "Effect", "Treatment.Freq", "Subject.Race", "Treatment.Route", "Subject.Disorder", "Subject", "Treatment.Time_elapsed", "Treatment.Duration", "Subject.Population", "Subject.Age", "Subject.Gender", "Treatment"]}], "input": "However, one patient exhibited severe hypersensitivity reactions including cardiac arrest and apnea, and another four patients developed eruptions, hypotension, and tachycardia soon after administration of CBDCA."}
{"adverse event": [{"Treatment.Dosage": "NAN", "Effect": "severe hypersensitivity reactions including cardiac arrest and apnea", "Treatment.Freq": "NAN", "Subject.Race": "NAN", "Treatment.Route": "NAN", "Subject.Disorder": "NAN", "Subject": "one patient", "Treatment.Time_elapsed": "NAN", "Treatment.Duration": "NAN", "Subject.Population": "NAN", "Subject.Age": "NAN", "Subject.Gender": "NAN", "Treatment": "CBDCA"}]}